protected override void OnLoad(EventArgs e) { base.OnLoad(e); if (DesignMode) { return; } MetaTable table = MetaTableHelper.FindMetaTable(this, Context); if (table == null) { throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, DynamicDataResources.DynamicEntity_ControlNeedsToExistInAContextSupportingDynamicData, this.ID)); } EntityTemplateFactory entityTemplateFactory = table.Model.EntityTemplateFactory; EntityTemplateUserControl entityTemplateControl = entityTemplateFactory.CreateEntityTemplate(table, Mode, UIHint); if (entityTemplateControl == null) { throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, DynamicDataResources.DynamicEntity_CantFindTemplate, table.Name, entityTemplateFactory.TemplateFolderVirtualPath)); } entityTemplateControl.Mode = Mode; entityTemplateControl.ValidationGroup = ValidationGroup; entityTemplateControl.Table = table; Controls.Add(entityTemplateControl); }
/// <summary> /// Find the containing data control, and return the MetaTable associated with it, if any /// </summary> public static MetaTable FindMetaTable(this Control current) { return(MetaTableHelper.FindMetaTable(current, HttpContext.Current.ToWrapper())); }